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Finding the Third Proportional to 117,484,970 and 254,495,798

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Solution

The third proportional to 117,484,970 and 254,495,798 is: 551,288,485.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,484,970 : 254,495,798 = 254,495,798 : x
  2. Step 2: Convert to fraction form
    117,484,970/254,495,798 = 254,495,798/x
  3. Step 3: Cross multiply
    117,484,970x = 254,495,798 × 254,495,798
  4. Step 4: Simplify right side
    117,484,970x = 64,768,111,199,656,800
  5. Step 5: Solve for x
    x = 64,768,111,199,656,800/117,484,970
  6. Step 6: Final answer
    x = 551,288,485.66

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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.