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Finding the Third Proportional to 779,721 and 1,175,341.50

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Solution

The third proportional to 779,721 and 1,175,341.50 is: 1,771,694.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,721 : 1,175,341.50 = 1,175,341.50 : x
  2. Step 2: Convert to fraction form
    779,721/1,175,341.50 = 1,175,341.50/x
  3. Step 3: Cross multiply
    779,721x = 1,175,341.50 × 1,175,341.50
  4. Step 4: Simplify right side
    779,721x = 1,381,427,641,622.25
  5. Step 5: Solve for x
    x = 1,381,427,641,622.25/779,721
  6. Step 6: Final answer
    x = 1,771,694.80

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.