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Finding the Third Proportional to 870,721.50 and 1,344,901.50

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Solution

The third proportional to 870,721.50 and 1,344,901.50 is: 2,077,311.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,721.50 : 1,344,901.50 = 1,344,901.50 : x
  2. Step 2: Convert to fraction form
    870,721.50/1,344,901.50 = 1,344,901.50/x
  3. Step 3: Cross multiply
    870,721.50x = 1,344,901.50 × 1,344,901.50
  4. Step 4: Simplify right side
    870,721.50x = 1,808,760,044,702.25
  5. Step 5: Solve for x
    x = 1,808,760,044,702.25/870,721.50
  6. Step 6: Final answer
    x = 2,077,311.80

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.