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Finding the Third Proportional to 369,210,248 and 787,846,480

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Solution

The third proportional to 369,210,248 and 787,846,480 is: 1,681,161,558.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,210,248 : 787,846,480 = 787,846,480 : x
  2. Step 2: Convert to fraction form
    369,210,248/787,846,480 = 787,846,480/x
  3. Step 3: Cross multiply
    369,210,248x = 787,846,480 × 787,846,480
  4. Step 4: Simplify right side
    369,210,248x = 620,702,076,048,390,400
  5. Step 5: Solve for x
    x = 620,702,076,048,390,400/369,210,248
  6. Step 6: Final answer
    x = 1,681,161,558.79

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.