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Finding the Third Proportional to 117,927,312 and 255,171,072

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Solution

The third proportional to 117,927,312 and 255,171,072 is: 552,139,066.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,927,312 : 255,171,072 = 255,171,072 : x
  2. Step 2: Convert to fraction form
    117,927,312/255,171,072 = 255,171,072/x
  3. Step 3: Cross multiply
    117,927,312x = 255,171,072 × 255,171,072
  4. Step 4: Simplify right side
    117,927,312x = 65,112,275,985,629,184
  5. Step 5: Solve for x
    x = 65,112,275,985,629,184/117,927,312
  6. Step 6: Final answer
    x = 552,139,066.70

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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.