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Finding the Third Proportional to 55,369,331 and 121,159,633

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Solution

The third proportional to 55,369,331 and 121,159,633 is: 265,122,521.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,369,331 : 121,159,633 = 121,159,633 : x
  2. Step 2: Convert to fraction form
    55,369,331/121,159,633 = 121,159,633/x
  3. Step 3: Cross multiply
    55,369,331x = 121,159,633 × 121,159,633
  4. Step 4: Simplify right side
    55,369,331x = 14,679,656,668,694,688
  5. Step 5: Solve for x
    x = 14,679,656,668,694,688/55,369,331
  6. Step 6: Final answer
    x = 265,122,521.86

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.