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Finding the Third Proportional to 910,628 and 1,336,418

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Solution

The third proportional to 910,628 and 1,336,418 is: 1,961,298.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,628 : 1,336,418 = 1,336,418 : x
  2. Step 2: Convert to fraction form
    910,628/1,336,418 = 1,336,418/x
  3. Step 3: Cross multiply
    910,628x = 1,336,418 × 1,336,418
  4. Step 4: Simplify right side
    910,628x = 1,786,013,070,724
  5. Step 5: Solve for x
    x = 1,786,013,070,724/910,628
  6. Step 6: Final answer
    x = 1,961,298.21

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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.