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Finding the Third Proportional to 889,344,963 and 1,931,787,531

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Solution

The third proportional to 889,344,963 and 1,931,787,531 is: 4,196,125,485.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,344,963 : 1,931,787,531 = 1,931,787,531 : x
  2. Step 2: Convert to fraction form
    889,344,963/1,931,787,531 = 1,931,787,531/x
  3. Step 3: Cross multiply
    889,344,963x = 1,931,787,531 × 1,931,787,531
  4. Step 4: Simplify right side
    889,344,963x = 3,731,803,064,927,075,840
  5. Step 5: Solve for x
    x = 3,731,803,064,927,075,840/889,344,963
  6. Step 6: Final answer
    x = 4,196,125,485.82

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.