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Finding the Third Proportional to 889,663.50 and 1,378,737

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Solution

The third proportional to 889,663.50 and 1,378,737 is: 2,136,668.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,663.50 : 1,378,737 = 1,378,737 : x
  2. Step 2: Convert to fraction form
    889,663.50/1,378,737 = 1,378,737/x
  3. Step 3: Cross multiply
    889,663.50x = 1,378,737 × 1,378,737
  4. Step 4: Simplify right side
    889,663.50x = 1,900,915,715,169
  5. Step 5: Solve for x
    x = 1,900,915,715,169/889,663.50
  6. Step 6: Final answer
    x = 2,136,668.21

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.