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Finding the Third Proportional to 3,312,421.88 and 4,859,272.13

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Solution

The third proportional to 3,312,421.88 and 4,859,272.13 is: 7,128,477.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,312,421.88 : 4,859,272.13 = 4,859,272.13 : x
  2. Step 2: Convert to fraction form
    3,312,421.88/4,859,272.13 = 4,859,272.13/x
  3. Step 3: Cross multiply
    3,312,421.88x = 4,859,272.13 × 4,859,272.13
  4. Step 4: Simplify right side
    3,312,421.88x = 23,612,525,584,802.02
  5. Step 5: Solve for x
    x = 23,612,525,584,802.02/3,312,421.88
  6. Step 6: Final answer
    x = 7,128,477.73

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.