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Finding the Third Proportional to 871,776 and 1,350,432

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Solution

The third proportional to 871,776 and 1,350,432 is: 2,091,898.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,776 : 1,350,432 = 1,350,432 : x
  2. Step 2: Convert to fraction form
    871,776/1,350,432 = 1,350,432/x
  3. Step 3: Cross multiply
    871,776x = 1,350,432 × 1,350,432
  4. Step 4: Simplify right side
    871,776x = 1,823,666,586,624
  5. Step 5: Solve for x
    x = 1,823,666,586,624/871,776
  6. Step 6: Final answer
    x = 2,091,898.13

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.