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Finding the Third Proportional to 70,899,112 and 153,898,409

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Solution

The third proportional to 70,899,112 and 153,898,409 is: 334,062,298.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,899,112 : 153,898,409 = 153,898,409 : x
  2. Step 2: Convert to fraction form
    70,899,112/153,898,409 = 153,898,409/x
  3. Step 3: Cross multiply
    70,899,112x = 153,898,409 × 153,898,409
  4. Step 4: Simplify right side
    70,899,112x = 23,684,720,292,731,280
  5. Step 5: Solve for x
    x = 23,684,720,292,731,280/70,899,112
  6. Step 6: Final answer
    x = 334,062,298.17

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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.