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Finding the Third Proportional to 916,776 and 1,376,888

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Solution

The third proportional to 916,776 and 1,376,888 is: 2,067,921.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,776 : 1,376,888 = 1,376,888 : x
  2. Step 2: Convert to fraction form
    916,776/1,376,888 = 1,376,888/x
  3. Step 3: Cross multiply
    916,776x = 1,376,888 × 1,376,888
  4. Step 4: Simplify right side
    916,776x = 1,895,820,564,544
  5. Step 5: Solve for x
    x = 1,895,820,564,544/916,776
  6. Step 6: Final answer
    x = 2,067,921.24

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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.