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Finding the Third Proportional to 30,355,023 and 66,257,358

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Solution

The third proportional to 30,355,023 and 66,257,358 is: 144,623,098.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,355,023 : 66,257,358 = 66,257,358 : x
  2. Step 2: Convert to fraction form
    30,355,023/66,257,358 = 66,257,358/x
  3. Step 3: Cross multiply
    30,355,023x = 66,257,358 × 66,257,358
  4. Step 4: Simplify right side
    30,355,023x = 4,390,037,489,140,164
  5. Step 5: Solve for x
    x = 4,390,037,489,140,164/30,355,023
  6. Step 6: Final answer
    x = 144,623,098.76

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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.