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Finding the Third Proportional to 73,970,480 and 117,805,403

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Solution

The third proportional to 73,970,480 and 117,805,403 is: 187,616,911.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,970,480 : 117,805,403 = 117,805,403 : x
  2. Step 2: Convert to fraction form
    73,970,480/117,805,403 = 117,805,403/x
  3. Step 3: Cross multiply
    73,970,480x = 117,805,403 × 117,805,403
  4. Step 4: Simplify right side
    73,970,480x = 13,878,112,975,992,408
  5. Step 5: Solve for x
    x = 13,878,112,975,992,408/73,970,480
  6. Step 6: Final answer
    x = 187,616,911.18

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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.