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Finding the Third Proportional to 719,687,565 and 1,105,720,395

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Solution

The third proportional to 719,687,565 and 1,105,720,395 is: 1,698,817,169.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,687,565 : 1,105,720,395 = 1,105,720,395 : x
  2. Step 2: Convert to fraction form
    719,687,565/1,105,720,395 = 1,105,720,395/x
  3. Step 3: Cross multiply
    719,687,565x = 1,105,720,395 × 1,105,720,395
  4. Step 4: Simplify right side
    719,687,565x = 1,222,617,591,918,956,032
  5. Step 5: Solve for x
    x = 1,222,617,591,918,956,032/719,687,565
  6. Step 6: Final answer
    x = 1,698,817,169.25

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.