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Finding the Third Proportional to 38,803,312 and 84,495,672

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Solution

The third proportional to 38,803,312 and 84,495,672 is: 183,992,505.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,803,312 : 84,495,672 = 84,495,672 : x
  2. Step 2: Convert to fraction form
    38,803,312/84,495,672 = 84,495,672/x
  3. Step 3: Cross multiply
    38,803,312x = 84,495,672 × 84,495,672
  4. Step 4: Simplify right side
    38,803,312x = 7,139,518,586,731,584
  5. Step 5: Solve for x
    x = 7,139,518,586,731,584/38,803,312
  6. Step 6: Final answer
    x = 183,992,505.25

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.