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Finding the Third Proportional to 81,066,079,278 and 168,841,948,357.50

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Solution

The third proportional to 81,066,079,278 and 168,841,948,357.50 is: 351,658,841,516.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,066,079,278 : 168,841,948,357.50 = 168,841,948,357.50 : x
  2. Step 2: Convert to fraction form
    81,066,079,278/168,841,948,357.50 = 168,841,948,357.50/x
  3. Step 3: Cross multiply
    81,066,079,278x = 168,841,948,357.50 × 168,841,948,357.50
  4. Step 4: Simplify right side
    81,066,079,278x = 28,507,603,525,156,697,276,416
  5. Step 5: Solve for x
    x = 28,507,603,525,156,697,276,416/81,066,079,278
  6. Step 6: Final answer
    x = 351,658,841,516.14

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.