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Finding the Third Proportional to 67,642,603.50 and 144,851,125.50

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Solution

The third proportional to 67,642,603.50 and 144,851,125.50 is: 310,186,886.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,642,603.50 : 144,851,125.50 = 144,851,125.50 : x
  2. Step 2: Convert to fraction form
    67,642,603.50/144,851,125.50 = 144,851,125.50/x
  3. Step 3: Cross multiply
    67,642,603.50x = 144,851,125.50 × 144,851,125.50
  4. Step 4: Simplify right side
    67,642,603.50x = 20,981,848,558,616,752
  5. Step 5: Solve for x
    x = 20,981,848,558,616,752/67,642,603.50
  6. Step 6: Final answer
    x = 310,186,886.27

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.