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Finding the Third Proportional to 574,026 and 802,521

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Solution

The third proportional to 574,026 and 802,521 is: 1,121,970.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,026 : 802,521 = 802,521 : x
  2. Step 2: Convert to fraction form
    574,026/802,521 = 802,521/x
  3. Step 3: Cross multiply
    574,026x = 802,521 × 802,521
  4. Step 4: Simplify right side
    574,026x = 644,039,955,441
  5. Step 5: Solve for x
    x = 644,039,955,441/574,026
  6. Step 6: Final answer
    x = 1,121,970.01

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.