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Finding the Third Proportional to 53,403,380 and 109,637,828

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Solution

The third proportional to 53,403,380 and 109,637,828 is: 225,087,875.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,403,380 : 109,637,828 = 109,637,828 : x
  2. Step 2: Convert to fraction form
    53,403,380/109,637,828 = 109,637,828/x
  3. Step 3: Cross multiply
    53,403,380x = 109,637,828 × 109,637,828
  4. Step 4: Simplify right side
    53,403,380x = 12,020,453,328,557,584
  5. Step 5: Solve for x
    x = 12,020,453,328,557,584/53,403,380
  6. Step 6: Final answer
    x = 225,087,875.12

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.