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Finding the Third Proportional to 90,072,932.63 and 196,662,088.13

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Solution

The third proportional to 90,072,932.63 and 196,662,088.13 is: 429,385,119.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,072,932.63 : 196,662,088.13 = 196,662,088.13 : x
  2. Step 2: Convert to fraction form
    90,072,932.63/196,662,088.13 = 196,662,088.13/x
  3. Step 3: Cross multiply
    90,072,932.63x = 196,662,088.13 × 196,662,088.13
  4. Step 4: Simplify right side
    90,072,932.63x = 38,675,976,905,685,264
  5. Step 5: Solve for x
    x = 38,675,976,905,685,264/90,072,932.63
  6. Step 6: Final answer
    x = 429,385,119.13

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These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.