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Finding the Third Proportional to 4,973,640.47 and 7,908,852.66

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Solution

The third proportional to 4,973,640.47 and 7,908,852.66 is: 12,576,291.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,973,640.47 : 7,908,852.66 = 7,908,852.66 : x
  2. Step 2: Convert to fraction form
    4,973,640.47/7,908,852.66 = 7,908,852.66/x
  3. Step 3: Cross multiply
    4,973,640.47x = 7,908,852.66 × 7,908,852.66
  4. Step 4: Simplify right side
    4,973,640.47x = 62,549,950,338,272.68
  5. Step 5: Solve for x
    x = 62,549,950,338,272.68/4,973,640.47
  6. Step 6: Final answer
    x = 12,576,291.10

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.