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Finding the Third Proportional to 3,139,905 and 4,980,073.50

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Solution

The third proportional to 3,139,905 and 4,980,073.50 is: 7,898,688.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,139,905 : 4,980,073.50 = 4,980,073.50 : x
  2. Step 2: Convert to fraction form
    3,139,905/4,980,073.50 = 4,980,073.50/x
  3. Step 3: Cross multiply
    3,139,905x = 4,980,073.50 × 4,980,073.50
  4. Step 4: Simplify right side
    3,139,905x = 24,801,132,065,402.25
  5. Step 5: Solve for x
    x = 24,801,132,065,402.25/3,139,905
  6. Step 6: Final answer
    x = 7,898,688.68

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.