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Finding the Third Proportional to 145,789,152 and 321,294,776

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Solution

The third proportional to 145,789,152 and 321,294,776 is: 708,079,659.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,789,152 : 321,294,776 = 321,294,776 : x
  2. Step 2: Convert to fraction form
    145,789,152/321,294,776 = 321,294,776/x
  3. Step 3: Cross multiply
    145,789,152x = 321,294,776 × 321,294,776
  4. Step 4: Simplify right side
    145,789,152x = 103,230,333,084,890,176
  5. Step 5: Solve for x
    x = 103,230,333,084,890,176/145,789,152
  6. Step 6: Final answer
    x = 708,079,659.35

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.