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Finding the Third Proportional to 153,240,218.50 and 237,934,681.50

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Solution

The third proportional to 153,240,218.50 and 237,934,681.50 is: 369,438,997.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,240,218.50 : 237,934,681.50 = 237,934,681.50 : x
  2. Step 2: Convert to fraction form
    153,240,218.50/237,934,681.50 = 237,934,681.50/x
  3. Step 3: Cross multiply
    153,240,218.50x = 237,934,681.50 × 237,934,681.50
  4. Step 4: Simplify right side
    153,240,218.50x = 56,612,912,660,506,440
  5. Step 5: Solve for x
    x = 56,612,912,660,506,440/153,240,218.50
  6. Step 6: Final answer
    x = 369,438,997.25

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.