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Finding the Third Proportional to 118,870,294.50 and 258,843,569.63

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Solution

The third proportional to 118,870,294.50 and 258,843,569.63 is: 563,639,501.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,870,294.50 : 258,843,569.63 = 258,843,569.63 : x
  2. Step 2: Convert to fraction form
    118,870,294.50/258,843,569.63 = 258,843,569.63/x
  3. Step 3: Cross multiply
    118,870,294.50x = 258,843,569.63 × 258,843,569.63
  4. Step 4: Simplify right side
    118,870,294.50x = 66,999,993,536,212,224
  5. Step 5: Solve for x
    x = 66,999,993,536,212,224/118,870,294.50
  6. Step 6: Final answer
    x = 563,639,501.51

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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.