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Finding the Third Proportional to 60,270,390 and 130,815,319

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Solution

The third proportional to 60,270,390 and 130,815,319 is: 283,931,258.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,270,390 : 130,815,319 = 130,815,319 : x
  2. Step 2: Convert to fraction form
    60,270,390/130,815,319 = 130,815,319/x
  3. Step 3: Cross multiply
    60,270,390x = 130,815,319 × 130,815,319
  4. Step 4: Simplify right side
    60,270,390x = 17,112,647,685,071,760
  5. Step 5: Solve for x
    x = 17,112,647,685,071,760/60,270,390
  6. Step 6: Final answer
    x = 283,931,258.53

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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.