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Finding the Third Proportional to 123,435,020 and 168,124,260

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Solution

The third proportional to 123,435,020 and 168,124,260 is: 228,993,091.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,435,020 : 168,124,260 = 168,124,260 : x
  2. Step 2: Convert to fraction form
    123,435,020/168,124,260 = 168,124,260/x
  3. Step 3: Cross multiply
    123,435,020x = 168,124,260 × 168,124,260
  4. Step 4: Simplify right side
    123,435,020x = 28,265,766,800,547,600
  5. Step 5: Solve for x
    x = 28,265,766,800,547,600/123,435,020
  6. Step 6: Final answer
    x = 228,993,091.27

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.