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Finding the Third Proportional to 3,240,830.25 and 6,984,090

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Solution

The third proportional to 3,240,830.25 and 6,984,090 is: 15,050,931.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,240,830.25 : 6,984,090 = 6,984,090 : x
  2. Step 2: Convert to fraction form
    3,240,830.25/6,984,090 = 6,984,090/x
  3. Step 3: Cross multiply
    3,240,830.25x = 6,984,090 × 6,984,090
  4. Step 4: Simplify right side
    3,240,830.25x = 48,777,513,128,100
  5. Step 5: Solve for x
    x = 48,777,513,128,100/3,240,830.25
  6. Step 6: Final answer
    x = 15,050,931.20

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.