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Finding the Third Proportional to 663,480 and 1,000,719

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Solution

The third proportional to 663,480 and 1,000,719 is: 1,509,372.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,480 : 1,000,719 = 1,000,719 : x
  2. Step 2: Convert to fraction form
    663,480/1,000,719 = 1,000,719/x
  3. Step 3: Cross multiply
    663,480x = 1,000,719 × 1,000,719
  4. Step 4: Simplify right side
    663,480x = 1,001,438,516,961
  5. Step 5: Solve for x
    x = 1,001,438,516,961/663,480
  6. Step 6: Final answer
    x = 1,509,372.58

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.