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Finding the Third Proportional to 877,287 and 1,913,226

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Solution

The third proportional to 877,287 and 1,913,226 is: 4,172,447.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,287 : 1,913,226 = 1,913,226 : x
  2. Step 2: Convert to fraction form
    877,287/1,913,226 = 1,913,226/x
  3. Step 3: Cross multiply
    877,287x = 1,913,226 × 1,913,226
  4. Step 4: Simplify right side
    877,287x = 3,660,433,727,076
  5. Step 5: Solve for x
    x = 3,660,433,727,076/877,287
  6. Step 6: Final answer
    x = 4,172,447.25

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.