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Finding the Third Proportional to 38,988,484 and 84,485,480

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Solution

The third proportional to 38,988,484 and 84,485,480 is: 183,074,477.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,988,484 : 84,485,480 = 84,485,480 : x
  2. Step 2: Convert to fraction form
    38,988,484/84,485,480 = 84,485,480/x
  3. Step 3: Cross multiply
    38,988,484x = 84,485,480 × 84,485,480
  4. Step 4: Simplify right side
    38,988,484x = 7,137,796,330,830,400
  5. Step 5: Solve for x
    x = 7,137,796,330,830,400/38,988,484
  6. Step 6: Final answer
    x = 183,074,477.35

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.