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Finding the Third Proportional to 720,585 and 1,669,918.50

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Solution

The third proportional to 720,585 and 1,669,918.50 is: 3,869,949.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,585 : 1,669,918.50 = 1,669,918.50 : x
  2. Step 2: Convert to fraction form
    720,585/1,669,918.50 = 1,669,918.50/x
  3. Step 3: Cross multiply
    720,585x = 1,669,918.50 × 1,669,918.50
  4. Step 4: Simplify right side
    720,585x = 2,788,627,796,642.25
  5. Step 5: Solve for x
    x = 2,788,627,796,642.25/720,585
  6. Step 6: Final answer
    x = 3,869,949.83

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Why These Related Problems?

These problems maintain the same ratio (2.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.