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Finding the Third Proportional to 58,585,215 and 127,585,518

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Solution

The third proportional to 58,585,215 and 127,585,518 is: 277,852,772.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,585,215 : 127,585,518 = 127,585,518 : x
  2. Step 2: Convert to fraction form
    58,585,215/127,585,518 = 127,585,518/x
  3. Step 3: Cross multiply
    58,585,215x = 127,585,518 × 127,585,518
  4. Step 4: Simplify right side
    58,585,215x = 16,278,064,403,328,324
  5. Step 5: Solve for x
    x = 16,278,064,403,328,324/58,585,215
  6. Step 6: Final answer
    x = 277,852,772.30

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.