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Finding the Third Proportional to 18,706,232 and 40,197,242

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Solution

The third proportional to 18,706,232 and 40,197,242 is: 86,378,607.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,706,232 : 40,197,242 = 40,197,242 : x
  2. Step 2: Convert to fraction form
    18,706,232/40,197,242 = 40,197,242/x
  3. Step 3: Cross multiply
    18,706,232x = 40,197,242 × 40,197,242
  4. Step 4: Simplify right side
    18,706,232x = 1,615,818,264,406,564
  5. Step 5: Solve for x
    x = 1,615,818,264,406,564/18,706,232
  6. Step 6: Final answer
    x = 86,378,607.11

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.