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Finding the Third Proportional to 140,187,998 and 306,803,488

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Solution

The third proportional to 140,187,998 and 306,803,488 is: 671,443,929.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,187,998 : 306,803,488 = 306,803,488 : x
  2. Step 2: Convert to fraction form
    140,187,998/306,803,488 = 306,803,488/x
  3. Step 3: Cross multiply
    140,187,998x = 306,803,488 × 306,803,488
  4. Step 4: Simplify right side
    140,187,998x = 94,128,380,248,966,144
  5. Step 5: Solve for x
    x = 94,128,380,248,966,144/140,187,998
  6. Step 6: Final answer
    x = 671,443,929.52

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These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.