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Finding the Third Proportional to 877,932 and 1,192,428

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Solution

The third proportional to 877,932 and 1,192,428 is: 1,619,583.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,932 : 1,192,428 = 1,192,428 : x
  2. Step 2: Convert to fraction form
    877,932/1,192,428 = 1,192,428/x
  3. Step 3: Cross multiply
    877,932x = 1,192,428 × 1,192,428
  4. Step 4: Simplify right side
    877,932x = 1,421,884,535,184
  5. Step 5: Solve for x
    x = 1,421,884,535,184/877,932
  6. Step 6: Final answer
    x = 1,619,583.90

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.