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Finding the Third Proportional to 663,487 and 1,000,712

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Solution

The third proportional to 663,487 and 1,000,712 is: 1,509,335.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,487 : 1,000,712 = 1,000,712 : x
  2. Step 2: Convert to fraction form
    663,487/1,000,712 = 1,000,712/x
  3. Step 3: Cross multiply
    663,487x = 1,000,712 × 1,000,712
  4. Step 4: Simplify right side
    663,487x = 1,001,424,506,944
  5. Step 5: Solve for x
    x = 1,001,424,506,944/663,487
  6. Step 6: Final answer
    x = 1,509,335.54

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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.