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Finding the Third Proportional to 78,338,944 and 163,036,106

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Solution

The third proportional to 78,338,944 and 163,036,106 is: 339,304,699.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,338,944 : 163,036,106 = 163,036,106 : x
  2. Step 2: Convert to fraction form
    78,338,944/163,036,106 = 163,036,106/x
  3. Step 3: Cross multiply
    78,338,944x = 163,036,106 × 163,036,106
  4. Step 4: Simplify right side
    78,338,944x = 26,580,771,859,643,236
  5. Step 5: Solve for x
    x = 26,580,771,859,643,236/78,338,944
  6. Step 6: Final answer
    x = 339,304,699.58

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.