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Finding the Third Proportional to 620,008.50 and 877,555.13

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Solution

The third proportional to 620,008.50 and 877,555.13 is: 1,242,084.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,008.50 : 877,555.13 = 877,555.13 : x
  2. Step 2: Convert to fraction form
    620,008.50/877,555.13 = 877,555.13/x
  3. Step 3: Cross multiply
    620,008.50x = 877,555.13 × 877,555.13
  4. Step 4: Simplify right side
    620,008.50x = 770,102,997,413.77
  5. Step 5: Solve for x
    x = 770,102,997,413.77/620,008.50
  6. Step 6: Final answer
    x = 1,242,084.58

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.