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Finding the Third Proportional to 424,186.50 and 877,897.50

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Solution

The third proportional to 424,186.50 and 877,897.50 is: 1,816,898.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,186.50 : 877,897.50 = 877,897.50 : x
  2. Step 2: Convert to fraction form
    424,186.50/877,897.50 = 877,897.50/x
  3. Step 3: Cross multiply
    424,186.50x = 877,897.50 × 877,897.50
  4. Step 4: Simplify right side
    424,186.50x = 770,704,020,506.25
  5. Step 5: Solve for x
    x = 770,704,020,506.25/424,186.50
  6. Step 6: Final answer
    x = 1,816,898.98

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.