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Finding the Third Proportional to 803,327,040 and 1,241,344,872

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Solution

The third proportional to 803,327,040 and 1,241,344,872 is: 1,918,193,978.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,327,040 : 1,241,344,872 = 1,241,344,872 : x
  2. Step 2: Convert to fraction form
    803,327,040/1,241,344,872 = 1,241,344,872/x
  3. Step 3: Cross multiply
    803,327,040x = 1,241,344,872 × 1,241,344,872
  4. Step 4: Simplify right side
    803,327,040x = 1,540,937,091,240,696,320
  5. Step 5: Solve for x
    x = 1,540,937,091,240,696,320/803,327,040
  6. Step 6: Final answer
    x = 1,918,193,978.93

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.