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Finding the Third Proportional to 90,843,332.63 and 199,272,514.50

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Solution

The third proportional to 90,843,332.63 and 199,272,514.50 is: 437,121,073.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,843,332.63 : 199,272,514.50 = 199,272,514.50 : x
  2. Step 2: Convert to fraction form
    90,843,332.63/199,272,514.50 = 199,272,514.50/x
  3. Step 3: Cross multiply
    90,843,332.63x = 199,272,514.50 × 199,272,514.50
  4. Step 4: Simplify right side
    90,843,332.63x = 39,709,535,035,152,712
  5. Step 5: Solve for x
    x = 39,709,535,035,152,712/90,843,332.63
  6. Step 6: Final answer
    x = 437,121,073.04

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.