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Finding the Third Proportional to 153,572,425.88 and 217,300,274.44

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Solution

The third proportional to 153,572,425.88 and 217,300,274.44 is: 307,473,226.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,572,425.88 : 217,300,274.44 = 217,300,274.44 : x
  2. Step 2: Convert to fraction form
    153,572,425.88/217,300,274.44 = 217,300,274.44/x
  3. Step 3: Cross multiply
    153,572,425.88x = 217,300,274.44 × 217,300,274.44
  4. Step 4: Simplify right side
    153,572,425.88x = 47,219,409,270,612,816
  5. Step 5: Solve for x
    x = 47,219,409,270,612,816/153,572,425.88
  6. Step 6: Final answer
    x = 307,473,226.40

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.