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Finding the Third Proportional to 78,644,172 and 117,966,276

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Solution

The third proportional to 78,644,172 and 117,966,276 is: 176,949,441.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,644,172 : 117,966,276 = 117,966,276 : x
  2. Step 2: Convert to fraction form
    78,644,172/117,966,276 = 117,966,276/x
  3. Step 3: Cross multiply
    78,644,172x = 117,966,276 × 117,966,276
  4. Step 4: Simplify right side
    78,644,172x = 13,916,042,273,308,176
  5. Step 5: Solve for x
    x = 13,916,042,273,308,176/78,644,172
  6. Step 6: Final answer
    x = 176,949,441.00

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.