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Finding the Third Proportional to 54,906,708 and 117,109,128

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Solution

The third proportional to 54,906,708 and 117,109,128 is: 249,779,095.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,906,708 : 117,109,128 = 117,109,128 : x
  2. Step 2: Convert to fraction form
    54,906,708/117,109,128 = 117,109,128/x
  3. Step 3: Cross multiply
    54,906,708x = 117,109,128 × 117,109,128
  4. Step 4: Simplify right side
    54,906,708x = 13,714,547,860,920,384
  5. Step 5: Solve for x
    x = 13,714,547,860,920,384/54,906,708
  6. Step 6: Final answer
    x = 249,779,095.50

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.