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Finding the Third Proportional to 556,017 and 920,294

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Solution

The third proportional to 556,017 and 920,294 is: 1,523,228.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,017 : 920,294 = 920,294 : x
  2. Step 2: Convert to fraction form
    556,017/920,294 = 920,294/x
  3. Step 3: Cross multiply
    556,017x = 920,294 × 920,294
  4. Step 4: Simplify right side
    556,017x = 846,941,046,436
  5. Step 5: Solve for x
    x = 846,941,046,436/556,017
  6. Step 6: Final answer
    x = 1,523,228.69

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Why These Related Problems?

These problems maintain the same ratio (1.66) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.