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Finding the Third Proportional to 117,256,908 and 253,815,145

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Solution

The third proportional to 117,256,908 and 253,815,145 is: 549,410,085.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,256,908 : 253,815,145 = 253,815,145 : x
  2. Step 2: Convert to fraction form
    117,256,908/253,815,145 = 253,815,145/x
  3. Step 3: Cross multiply
    117,256,908x = 253,815,145 × 253,815,145
  4. Step 4: Simplify right side
    117,256,908x = 64,422,127,831,371,024
  5. Step 5: Solve for x
    x = 64,422,127,831,371,024/117,256,908
  6. Step 6: Final answer
    x = 549,410,085.34

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.