Finding the Third Proportional to 403,828,438 and 878,411,789
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Solution
The third proportional to 403,828,438 and 878,411,789 is: 1,910,730,395.50
Step by Step Solution
- Step 1: Write the proportion equation
403,828,438 : 878,411,789 = 878,411,789 : x - Step 2: Convert to fraction form
403,828,438/878,411,789 = 878,411,789/x - Step 3: Cross multiply
403,828,438x = 878,411,789 × 878,411,789 - Step 4: Simplify right side
403,828,438x = 771,607,271,054,180,480 - Step 5: Solve for x
x = 771,607,271,054,180,480/403,828,438 - Step 6: Final answer
x = 1,910,730,395.50
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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.