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Finding the Third Proportional to 560,202 and 840,702

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Solution

The third proportional to 560,202 and 840,702 is: 1,261,651.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,202 : 840,702 = 840,702 : x
  2. Step 2: Convert to fraction form
    560,202/840,702 = 840,702/x
  3. Step 3: Cross multiply
    560,202x = 840,702 × 840,702
  4. Step 4: Simplify right side
    560,202x = 706,779,852,804
  5. Step 5: Solve for x
    x = 706,779,852,804/560,202
  6. Step 6: Final answer
    x = 1,261,651.78

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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.