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Finding the Third Proportional to 620,740.50 and 1,386,798

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Solution

The third proportional to 620,740.50 and 1,386,798 is: 3,098,249.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,740.50 : 1,386,798 = 1,386,798 : x
  2. Step 2: Convert to fraction form
    620,740.50/1,386,798 = 1,386,798/x
  3. Step 3: Cross multiply
    620,740.50x = 1,386,798 × 1,386,798
  4. Step 4: Simplify right side
    620,740.50x = 1,923,208,692,804
  5. Step 5: Solve for x
    x = 1,923,208,692,804/620,740.50
  6. Step 6: Final answer
    x = 3,098,249.10

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Why These Related Problems?

These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.