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Finding the Third Proportional to 66,954,276 and 141,943,590

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Solution

The third proportional to 66,954,276 and 141,943,590 is: 300,921,523.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,954,276 : 141,943,590 = 141,943,590 : x
  2. Step 2: Convert to fraction form
    66,954,276/141,943,590 = 141,943,590/x
  3. Step 3: Cross multiply
    66,954,276x = 141,943,590 × 141,943,590
  4. Step 4: Simplify right side
    66,954,276x = 20,147,982,742,088,100
  5. Step 5: Solve for x
    x = 20,147,982,742,088,100/66,954,276
  6. Step 6: Final answer
    x = 300,921,523.55

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.