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Finding the Third Proportional to 77,495,889 and 168,611,334

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Solution

The third proportional to 77,495,889 and 168,611,334 is: 366,855,356.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,495,889 : 168,611,334 = 168,611,334 : x
  2. Step 2: Convert to fraction form
    77,495,889/168,611,334 = 168,611,334/x
  3. Step 3: Cross multiply
    77,495,889x = 168,611,334 × 168,611,334
  4. Step 4: Simplify right side
    77,495,889x = 28,429,781,953,259,556
  5. Step 5: Solve for x
    x = 28,429,781,953,259,556/77,495,889
  6. Step 6: Final answer
    x = 366,855,356.07

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.