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Finding the Third Proportional to 915,790.50 and 1,346,248.50

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Solution

The third proportional to 915,790.50 and 1,346,248.50 is: 1,979,038.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,790.50 : 1,346,248.50 = 1,346,248.50 : x
  2. Step 2: Convert to fraction form
    915,790.50/1,346,248.50 = 1,346,248.50/x
  3. Step 3: Cross multiply
    915,790.50x = 1,346,248.50 × 1,346,248.50
  4. Step 4: Simplify right side
    915,790.50x = 1,812,385,023,752.25
  5. Step 5: Solve for x
    x = 1,812,385,023,752.25/915,790.50
  6. Step 6: Final answer
    x = 1,979,038.90

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.