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Finding the Third Proportional to 129,617,740 and 305,974,886

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Solution

The third proportional to 129,617,740 and 305,974,886 is: 722,282,542.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,617,740 : 305,974,886 = 305,974,886 : x
  2. Step 2: Convert to fraction form
    129,617,740/305,974,886 = 305,974,886/x
  3. Step 3: Cross multiply
    129,617,740x = 305,974,886 × 305,974,886
  4. Step 4: Simplify right side
    129,617,740x = 93,620,630,862,712,992
  5. Step 5: Solve for x
    x = 93,620,630,862,712,992/129,617,740
  6. Step 6: Final answer
    x = 722,282,542.98

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.