Home / 65,712,667.50-140,220,780.75

Finding the Third Proportional to 65,712,667.50 and 140,220,780.75

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Solution

The third proportional to 65,712,667.50 and 140,220,780.75 is: 299,209,697.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,712,667.50 : 140,220,780.75 = 140,220,780.75 : x
  2. Step 2: Convert to fraction form
    65,712,667.50/140,220,780.75 = 140,220,780.75/x
  3. Step 3: Cross multiply
    65,712,667.50x = 140,220,780.75 × 140,220,780.75
  4. Step 4: Simplify right side
    65,712,667.50x = 19,661,867,354,139,572
  5. Step 5: Solve for x
    x = 19,661,867,354,139,572/65,712,667.50
  6. Step 6: Final answer
    x = 299,209,697.34

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.