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Finding the Third Proportional to 117,484,974 and 254,495,808

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Solution

The third proportional to 117,484,974 and 254,495,808 is: 551,288,510.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,484,974 : 254,495,808 = 254,495,808 : x
  2. Step 2: Convert to fraction form
    117,484,974/254,495,808 = 254,495,808/x
  3. Step 3: Cross multiply
    117,484,974x = 254,495,808 × 254,495,808
  4. Step 4: Simplify right side
    117,484,974x = 64,768,116,289,572,864
  5. Step 5: Solve for x
    x = 64,768,116,289,572,864/117,484,974
  6. Step 6: Final answer
    x = 551,288,510.22

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.