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Finding the Third Proportional to 669,307.50 and 1,005,432

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Solution

The third proportional to 669,307.50 and 1,005,432 is: 1,510,357.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,307.50 : 1,005,432 = 1,005,432 : x
  2. Step 2: Convert to fraction form
    669,307.50/1,005,432 = 1,005,432/x
  3. Step 3: Cross multiply
    669,307.50x = 1,005,432 × 1,005,432
  4. Step 4: Simplify right side
    669,307.50x = 1,010,893,506,624
  5. Step 5: Solve for x
    x = 1,010,893,506,624/669,307.50
  6. Step 6: Final answer
    x = 1,510,357.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.