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Finding the Third Proportional to 129,901,941 and 282,671,862.75

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Solution

The third proportional to 129,901,941 and 282,671,862.75 is: 615,105,373.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,901,941 : 282,671,862.75 = 282,671,862.75 : x
  2. Step 2: Convert to fraction form
    129,901,941/282,671,862.75 = 282,671,862.75/x
  3. Step 3: Cross multiply
    129,901,941x = 282,671,862.75 × 282,671,862.75
  4. Step 4: Simplify right side
    129,901,941x = 79,903,381,990,554,832
  5. Step 5: Solve for x
    x = 79,903,381,990,554,832/129,901,941
  6. Step 6: Final answer
    x = 615,105,373.91

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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.