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Finding the Third Proportional to 918,618 and 1,350,711

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Solution

The third proportional to 918,618 and 1,350,711 is: 1,986,048.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,618 : 1,350,711 = 1,350,711 : x
  2. Step 2: Convert to fraction form
    918,618/1,350,711 = 1,350,711/x
  3. Step 3: Cross multiply
    918,618x = 1,350,711 × 1,350,711
  4. Step 4: Simplify right side
    918,618x = 1,824,420,205,521
  5. Step 5: Solve for x
    x = 1,824,420,205,521/918,618
  6. Step 6: Final answer
    x = 1,986,048.83

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.